diff --git a/src/review/content-lane/registry-logic.ts b/src/review/content-lane/registry-logic.ts
index a74d779614..0773ad27c7 100644
--- a/src/review/content-lane/registry-logic.ts
+++ b/src/review/content-lane/registry-logic.ts
@@ -679,9 +679,9 @@ export interface RegistryScopeResult {
 
 /**
  * Generic surface-model scope classifier: in scope when the PR edits exactly ONE entry file (or, entry-free,
- * one flat provider file); the spec's provider + artifact files are allowed companions. A registry-looking
- * submission with too many entry/provider files is malformed and stays in the lane as mixed-files; an unrelated
- * PR with no direct registry files remains not-direct-submission.
+ * one flat provider file); at most one provider plus the spec's artifact files are allowed companions. A
+ * registry-looking submission with too many entry/provider files is malformed and stays in the lane as
+ * mixed-files; an unrelated PR with no direct registry files remains not-direct-submission.
  */
 export function classifyRegistryPrScope(spec: RegistryLaneSpec, changedFiles: string[]): RegistryScopeResult {
   const files = (changedFiles ?? []).map((f) => String(f || "").trim()).filter(Boolean);
@@ -690,7 +690,7 @@ export function classifyRegistryPrScope(spec: RegistryLaneSpec, changedFiles: st
   if (entryFiles.length > 1 || (entryFiles.length === 0 && providerFiles.length > 1)) {
     return { scope: "mixed-files", directFile: null, isProvider: false };
   }
-  const isEntryPr = entryFiles.length === 1;
+  const isEntryPr = entryFiles.length === 1 && providerFiles.length <= 1;
   const isProviderPr = entryFiles.length === 0 && providerFiles.length === 1;
   if (!isEntryPr && !isProviderPr) {
     return { scope: "not-direct-submission", directFile: null, isProvider: false };
diff --git a/test/unit/content-lane-registry-logic.test.ts b/test/unit/content-lane-registry-logic.test.ts
index 7e8505bc95..02a7ae97d0 100644
--- a/test/unit/content-lane-registry-logic.test.ts
+++ b/test/unit/content-lane-registry-logic.test.ts
@@ -280,6 +280,17 @@ describe("classifyRegistryPrScope (generic surface model, metagraphed spec)", ()
     expect(r.directFile).toBe("registry/subnets/allways.json");
   });
 
+  it("rejects an entry-submission with multiple flat provider companions", () => {
+    const r = classifyRegistryPrScope(spec, [
+      "registry/subnets/allways.json",
+      "registry/providers/allways.json",
+      "registry/providers/extra.json",
+    ]);
+    expect(r.scope).toBe("not-direct-submission");
+    expect(r.directFile).toBeNull();
+    expect(r.isProvider).toBe(false);
+  });
+
   it("recognizes a standalone flat provider-submission (no subnet file)", () => {
     const r = classifyRegistryPrScope(spec, ["registry/providers/cacheon.json"]);
     expect(r.scope).toBe("provider-submission");